21880872

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 64744680

約数和(自身を除く): 42863808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 97, 104, 117, 156, 194, 234, 241, 291, 312, 388, 468, 482, 582, 723, 776, 873, 936, 964, 1164, 1261, 1446, 1746, 1928, 2169, 2328, 2522, 2892, 3133, 3492, 3783, 4338, 5044, 5784, 6266, 6984, 7566, 8676, 9399, 10088, 11349, 12532, 15132, 17352, 18798, 22698, 23377, 25064, 28197, 30264, 37596, 45396, 46754, 56394, 70131, 75192, 90792, 93508, 112788, 140262, 187016, 210393, 225576, 280524, 303901, 420786, 561048, 607802, 841572, 911703, 1215604, 1683144, 1823406, 2431208, 2735109, 3646812, 5470218, 7293624, 10940436, 21880872]

約数ペア:

[(1, 21880872), (2, 10940436), (3, 7293624), (4, 5470218), (6, 3646812), (8, 2735109), (9, 2431208), (12, 1823406), (13, 1683144), (18, 1215604), (24, 911703), (26, 841572), (36, 607802), (39, 561048), (52, 420786), (72, 303901), (78, 280524), (97, 225576), (104, 210393), (117, 187016), (156, 140262), (194, 112788), (234, 93508), (241, 90792), (291, 75192), (312, 70131), (388, 56394), (468, 46754), (482, 45396), (582, 37596), (723, 30264), (776, 28197), (873, 25064), (936, 23377), (964, 22698), (1164, 18798), (1261, 17352), (1446, 15132), (1746, 12532), (1928, 11349), (2169, 10088), (2328, 9399), (2522, 8676), (2892, 7566), (3133, 6984), (3492, 6266), (3783, 5784), (4338, 5044)]